rochellehuey47 rochellehuey47
  • 09-06-2020
  • History
contestada

Which is an invention that improved safety for railroad passengers

Respuesta :

abdoumjseye abdoumjseye
  • 09-06-2020

Answer:

Air Brake

Explanation:

patented by George Westinghouse in 1868 using compressed air to brake

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